Critical adsorption in the weak surface field limit |
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Authors: | Cho J H Law B M |
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Institution: | Condensed Matter Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506-2601, USA. |
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Abstract: | We study critical adsorption in the small surface field (h(1)) limit using a homologous series of critical liquid mixtures. The experiment data, in the one-phase regime, is accurately described by a universal surface scaling function G+(z/xi(+),z/l(h)) at distance z from the interface with correlation length xi(+) and surface field length l(h) approximately absolute value of (h(1))(-nu/Delta(1)), where h(1) approximately Deltasigma, the surface energy difference between the two components. |
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